<template>
    <example>
      <xdh-map :min-zoom="4" :zoom="5" type="Baidu">
        <xdh-map-echarts :lib="lib" :options="options" @click="handleClick"></xdh-map-echarts>
      </xdh-map>
    </example>
</template>

<script>
  import echarts from 'echarts'
  import geoCoordMap from '../data/citys'

  const data = [
    {name: '海门', value: 9},
    {name: '鄂尔多斯', value: 12},
    {name: '招远', value: 12},
    {name: '舟山', value: 12},
    {name: '齐齐哈尔', value: 14},
    {name: '盐城', value: 15},
    {name: '赤峰', value: 16},
    {name: '青岛', value: 18},
    {name: '乳山', value: 18},
    {name: '金昌', value: 19},
    {name: '泉州', value: 21},
    {name: '莱西', value: 21},
    {name: '日照', value: 21},
    {name: '胶南', value: 22},
    {name: '南通', value: 23},
    {name: '拉萨', value: 24},
    {name: '云浮', value: 24},
    {name: '梅州', value: 25},
    {name: '文登', value: 25},
    {name: '上海', value: 25},
    {name: '攀枝花', value: 25},
    {name: '威海', value: 25},
    {name: '承德', value: 25},
    {name: '厦门', value: 26},
    {name: '汕尾', value: 26},
    {name: '潮州', value: 26},
    {name: '丹东', value: 27},
    {name: '太仓', value: 27},
    {name: '曲靖', value: 27},
    {name: '烟台', value: 28},
    {name: '福州', value: 29},
    {name: '瓦房店', value: 30},
    {name: '即墨', value: 30},
    {name: '抚顺', value: 31},
    {name: '玉溪', value: 31},
    {name: '张家口', value: 31},
    {name: '阳泉', value: 31},
    {name: '莱州', value: 32},
    {name: '湖州', value: 32},
    {name: '汕头', value: 32},
    {name: '昆山', value: 33},
    {name: '宁波', value: 33},
    {name: '湛江', value: 33},
    {name: '揭阳', value: 34},
    {name: '荣成', value: 34},
    {name: '连云港', value: 35},
    {name: '葫芦岛', value: 35},
    {name: '常熟', value: 36},
    {name: '东莞', value: 36},
    {name: '河源', value: 36},
    {name: '淮安', value: 36},
    {name: '泰州', value: 36},
    {name: '南宁', value: 37},
    {name: '营口', value: 37},
    {name: '惠州', value: 37},
    {name: '江阴', value: 37},
    {name: '蓬莱', value: 37},
    {name: '韶关', value: 38},
    {name: '嘉峪关', value: 38},
    {name: '广州', value: 38},
    {name: '延安', value: 38},
    {name: '太原', value: 39},
    {name: '清远', value: 39},
    {name: '中山', value: 39},
    {name: '昆明', value: 39},
    {name: '寿光', value: 40},
    {name: '盘锦', value: 40},
    {name: '长治', value: 41},
    {name: '深圳', value: 41},
    {name: '珠海', value: 42},
    {name: '宿迁', value: 43},
    {name: '咸阳', value: 43},
    {name: '铜川', value: 44},
    {name: '平度', value: 44},
    {name: '佛山', value: 44},
    {name: '海口', value: 44},
    {name: '江门', value: 45},
    {name: '章丘', value: 45},
    {name: '肇庆', value: 46},
    {name: '大连', value: 47},
    {name: '临汾', value: 47},
    {name: '吴江', value: 47},
    {name: '石嘴山', value: 49},
    {name: '沈阳', value: 50},
    {name: '苏州', value: 50},
    {name: '茂名', value: 50},
    {name: '嘉兴', value: 51},
    {name: '长春', value: 51},
    {name: '胶州', value: 52},
    {name: '银川', value: 52},
    {name: '张家港', value: 52},
    {name: '三门峡', value: 53},
    {name: '锦州', value: 54},
    {name: '南昌', value: 54},
    {name: '柳州', value: 54},
    {name: '三亚', value: 54},
    {name: '自贡', value: 56},
    {name: '吉林', value: 56},
    {name: '阳江', value: 57},
    {name: '泸州', value: 57},
    {name: '西宁', value: 57},
    {name: '宜宾', value: 58},
    {name: '呼和浩特', value: 58},
    {name: '成都', value: 58},
    {name: '大同', value: 58},
    {name: '镇江', value: 59},
    {name: '桂林', value: 59},
    {name: '张家界', value: 59},
    {name: '宜兴', value: 59},
    {name: '北海', value: 60},
    {name: '西安', value: 61},
    {name: '金坛', value: 62},
    {name: '东营', value: 62},
    {name: '牡丹江', value: 63},
    {name: '遵义', value: 63},
    {name: '绍兴', value: 63},
    {name: '扬州', value: 64},
    {name: '常州', value: 64},
    {name: '潍坊', value: 65},
    {name: '重庆', value: 66},
    {name: '台州', value: 67},
    {name: '南京', value: 67},
    {name: '滨州', value: 70},
    {name: '贵阳', value: 71},
    {name: '无锡', value: 71},
    {name: '本溪', value: 71},
    {name: '克拉玛依', value: 72},
    {name: '渭南', value: 72},
    {name: '马鞍山', value: 72},
    {name: '宝鸡', value: 72},
    {name: '焦作', value: 75},
    {name: '句容', value: 75},
    {name: '北京', value: 79},
    {name: '徐州', value: 79},
    {name: '衡水', value: 80},
    {name: '包头', value: 80},
    {name: '绵阳', value: 80},
    {name: '乌鲁木齐', value: 84},
    {name: '枣庄', value: 84},
    {name: '杭州', value: 84},
    {name: '淄博', value: 85},
    {name: '鞍山', value: 86},
    {name: '溧阳', value: 86},
    {name: '库尔勒', value: 86},
    {name: '安阳', value: 90},
    {name: '开封', value: 90},
    {name: '济南', value: 92},
    {name: '德阳', value: 93},
    {name: '温州', value: 95},
    {name: '九江', value: 96},
    {name: '邯郸', value: 98},
    {name: '临安', value: 99},
    {name: '兰州', value: 99},
    {name: '沧州', value: 100},
    {name: '临沂', value: 103},
    {name: '南充', value: 104},
    {name: '天津', value: 105},
    {name: '富阳', value: 106},
    {name: '泰安', value: 112},
    {name: '诸暨', value: 112},
    {name: '郑州', value: 113},
    {name: '哈尔滨', value: 114},
    {name: '聊城', value: 116},
    {name: '芜湖', value: 117},
    {name: '唐山', value: 119},
    {name: '平顶山', value: 119},
    {name: '邢台', value: 119},
    {name: '德州', value: 120},
    {name: '济宁', value: 120},
    {name: '荆州', value: 127},
    {name: '宜昌', value: 130},
    {name: '义乌', value: 132},
    {name: '丽水', value: 133},
    {name: '洛阳', value: 134},
    {name: '秦皇岛', value: 136},
    {name: '株洲', value: 143},
    {name: '石家庄', value: 147},
    {name: '莱芜', value: 148},
    {name: '常德', value: 152},
    {name: '保定', value: 153},
    {name: '湘潭', value: 154},
    {name: '金华', value: 157},
    {name: '岳阳', value: 169},
    {name: '长沙', value: 175},
    {name: '衢州', value: 177},
    {name: '廊坊', value: 193},
    {name: '菏泽', value: 194},
    {name: '合肥', value: 229},
    {name: '武汉', value: 273},
    {name: '大庆', value: 279},
    {name: '阿坝', value: 360}
  ];


  const convertData = function (data) {
    let res = [];
    for (let i = 0; i < data.length; i++) {
      var geoCoord = geoCoordMap[data[i].name];
      if (geoCoord) {
        res.push({
          name: data[i].name,
          value: geoCoord.concat(data[i].value)
        });
      }
    }
    return res;
  };

  const options = {
    title: {
      text: '全国主要城市空气质量',
      subtext: 'data from PM25.in',
      sublink: 'http://www.pm25.in',
      left: 'center',
      textStyle: {
        color: '#666'
      }
    },
    tooltip: {
      trigger: 'item',
      formatter: function (params) {
        return params.name + '<br/>' +
          params.seriesName + ': ' + params.value[2]
      }
    },
    legend: {
      orient: 'vertical',
      y: 'bottom',
      x: 'right',
      data: ['pm2.5'],
      textStyle: {
        color: '#666'
      }
    },
    series: [
      {
        name: 'pm2.5',
        type: 'scatter',
        coordinateSystem: 'ol',
        data: convertData(data),
        symbolSize: function (val) {
          return val[2] / 10;
        },
        label: {
          normal: {
            formatter: '{b}',
            position: 'right',
            show: false
          },
          emphasis: {
            show: true
          }
        },
        itemStyle: {
          normal: {
            color: '#33A875'
          }
        }
      },
      {
        name: 'Top 5',
        type: 'effectScatter',
        coordinateSystem: 'ol',
        data: convertData(data.sort(function (a, b) {
          return b.value - a.value;
        }).slice(0, 3)),
        symbolSize: function (val) {
          return val[2] / 10;
        },
        showEffectOn: 'render',
        rippleEffect: {
          brushType: 'fill'
        },
        hoverAnimation: true,
        label: {
          normal: {
            formatter: '{b}',
            position: 'right',
            show: true
          }
        },
        itemStyle: {
          normal: {
            color: '#33A875',
            shadowBlur: 10,
            shadowColor: '#333'
          }
        },
        zlevel: 1
      }
    ]
  };

  export default {
    data() {
      return {
        lib: echarts,
        options: options
      }
    },
    methods: {
      handleClick(e) {
        console.log(e)
      }
    }
  }
</script>

<style scoped>
  .echarts {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
  }
</style>
